Main Features: - Wireless WiFi, support 802.11b / g / n standards. - High brightness 2800 lumens with 4000:1 contrast ratio, razor-sharp images. - With native resolution to be 1280 x 800 pixels and the highest resolution support 1920 x 1080P to make it clearer. - Picture switch from 16:9 and 4:3 to meet your different demands. - Manual focus adjusting get picture maximum up to 150 inches, and the best distance of projection is from 2 to 2.5 meters. - IR remote control powered by 2 x AAA battery ( not included ).